80668280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2381}}^1$

素因数の和:2421

約数の個数: 96

約数和(自身を含む): 228100320

約数和(自身を除く): 147432040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 121, 140, 154, 220, 242, 280, 308, 385, 440, 484, 605, 616, 770, 847, 968, 1210, 1540, 1694, 2381, 2420, 3080, 3388, 4235, 4762, 4840, 6776, 8470, 9524, 11905, 16667, 16940, 19048, 23810, 26191, 33334, 33880, 47620, 52382, 66668, 83335, 95240, 104764, 130955, 133336, 166670, 183337, 209528, 261910, 288101, 333340, 366674, 523820, 576202, 666680, 733348, 916685, 1047640, 1152404, 1440505, 1466696, 1833370, 2016707, 2304808, 2881010, 3666740, 4033414, 5762020, 7333480, 8066828, 10083535, 11524040, 16133656, 20167070, 40334140, 80668280]

約数ペア:

[(1, 80668280), (2, 40334140), (4, 20167070), (5, 16133656), (7, 11524040), (8, 10083535), (10, 8066828), (11, 7333480), (14, 5762020), (20, 4033414), (22, 3666740), (28, 2881010), (35, 2304808), (40, 2016707), (44, 1833370), (55, 1466696), (56, 1440505), (70, 1152404), (77, 1047640), (88, 916685), (110, 733348), (121, 666680), (140, 576202), (154, 523820), (220, 366674), (242, 333340), (280, 288101), (308, 261910), (385, 209528), (440, 183337), (484, 166670), (605, 133336), (616, 130955), (770, 104764), (847, 95240), (968, 83335), (1210, 66668), (1540, 52382), (1694, 47620), (2381, 33880), (2420, 33334), (3080, 26191), (3388, 23810), (4235, 19048), (4762, 16940), (4840, 16667), (6776, 11905), (8470, 9524)]